Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7427386 | Processing materials | Paul Raymond Gregson, Paul Gilchrist | 2008-09-23 |
| 7285519 | Oil production additive formulations | Neil Grainger, Edward Scovell | 2007-10-23 |
| 7122507 | Drilling fluids and method of drilling | Neil Grainger, Edward Scovell | 2006-10-17 |
| 6849582 | Method of oil/gas well stimulation | Neil Grainger, Edward Scovell | 2005-02-01 |
| 5717263 | Rotors | — | 1998-02-10 |
| 4199027 | Oil recovery process | Roger I. Hancock | 1980-04-22 |